Apply patch by Wardje to hide the reverse checkbox for battle mode, thanks

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@10990 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/states_screens/dialogs/track_info_dialog.cpp

@@ -112,6 +112,7 @@ TrackInfoDialog::TrackInfoDialog(const std::string& ribbonItem, const std::strin
     }
     else
     {
+        getWidget<SpinnerWidget>("lapcountspinner")->setVisible(false);
         m_spinner = NULL;
     }
 

src/tracks/track.cpp

@@ -302,6 +302,9 @@ void Track::loadTrackInfo()
     root->get("groups",                &m_groups);
     root->get("internal",              &m_internal);
     root->get("reverse",               &m_reverse_available);
+    // Reverse is meaningless in arena
+    m_reverse_available = !m_is_arena && m_reverse_available;
+
     
     for(unsigned int i=0; i<root->getNumNodes(); i++)
     {